/**
 *    Copyright (C) 2015 Deco Software Inc.
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU Affero General Public License, version 3,
 *    as published by the Free Software Foundation.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU Affero General Public License for more details.
 *
 *    You should have received a copy of the GNU Affero General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

class Lock {

  constructor() {
    this._locked = false
  }

  get locked() {
    return this._locked
  }

  lock() {
    if (this._locked) {
      throw new Error('Lock already locked!')
    }
    this._locked = true
  }

  unlock() {
    if (! this._locked) {
      throw new Error('Lock wasnt locked!')
    }
    this._locked = false
  }

}

export default Lock
